25253554541 has 2 divisors, whose sum is σ = 25253554542. Its totient is φ = 25253554540.

The previous prime is 25253554499. The next prime is 25253554567. The reversal of 25253554541 is 14545535252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15289322500 + 9964232041 = 123650^2 + 99821^2 .

It is a cyclic number.

It is not a de Polignac number, because 25253554541 - 2⁶ = 25253554477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25253556541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626777270 + 12626777271.

It is an arithmetic number, because the mean of its divisors is an integer number (12626777271).

Almost surely, 2^25253554541 is an apocalyptic number.

It is an amenable number.

25253554541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253554541 is an equidigital number, since it uses as much as digits as its factorization.

25253554541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600000, while the sum is 41.

The spelling of 25253554541 in words is "twenty-five billion, two hundred fifty-three million, five hundred fifty-four thousand, five hundred forty-one".